<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
	String path = request.getContextPath();
	String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
			+ path + "/";
%>    
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>Insert title here</title>
<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="css/bootstrap.min.css"
	crossorigin="anonymous">

<!-- 可选的 Bootstrap 主题文件（一般不用引入） -->
<link rel="stylesheet" href="css/bootstrap-theme.min.css"
	crossorigin="anonymous">

<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="js/bootstrap.min.js" crossorigin="anonymous"></script>
</head>
<body style="background-color:green;">
<form class="form-horizontal" action="wxChatServlet" method="get">
  <div  class="row" style="margin-top: 50%;">
   <div class="col-xs-3 "></div>
  <div >
  <button type="submit" class="btn btn-warning">微信授权登录</button>
  </div>
  <div class="col-xs-4 "></div>
  </div>
</form>
</body>
</html>